<template>
  <h1>Hello Vue3</h1>
  <h2>{{ obj }}</h2>
</template>

<script lang="ts">
import { defineComponent, reactive } from 'vue'

export default defineComponent({
  setup() {
    const obj = reactive({
      name: 'zs',
      age: 18,
    })

    return { obj }
  },
})
</script>
